Split hub for wheels.



WI'TNEIESEIE'.

J. J. SCHOLFIELD.

SPLIT HUB FUR WHEELS.

(Applicatio 9.

filed June 12, 189

Patented July 25, I899. 1

( N 0 M 0 d e l llllllll reason of their dissimilar arrangement servePATENT JOSEPH J. SOI-IOLFIELD, OF PROVIDENCE, RHODE ISLAND.

SPLIT HUB FOR WHEELS.

sPEcIFIcATIon forming part of Letters Patent No. 629,525, dated. July25, 1899. Application iiled JHHBIZ, 1899. Serial No. 720,315. (Nomodel.)

To all whom it may concern:

Be it known that I, JOSEPH J. SOHOLFIELD, a citizen of the UnitedStates, residing at Providence, in the State of Rhode Island,haveinvented a new and useful Improvement in Split Hubs for Wheels Made inSeparable Parts, of which the following is a specification.

My invention consists in a split hub having a peripheral screw-threadand formed of three or more separate segments provided with integrallugs and opposite recesses, which by to prevent the misplacement of thesegments relatively to each other and to keep the screwthreads in properline. In the accompanying drawings, Figure represents the back View of agear-wheel formed of removable sections and provided with a split hubembodying my improvement. Fig. 2 represents a face view with the partsof the gear-wheel separated from the hub and showing an end View of thehub. Fig. 3 represents a side view of the hub. Fig. 4 represents aninterior view of the several parts of the hub separated from each other.Fig. 5 represents a detail inner-edge View of one of the gear-segments.Fig. 6 represents a similar edge view of the opposite gear-segment.

In the drawings, A A represent the opposite gear-segments, which areeach provided with an internal thread g,which matches with thecorresponding screw-thread of the opposite gear-segment, and areconnected to each other by means of the studs a a upon the projectingtongues 12 b of the gear-segment A,

hub B is made in three or more parts and pro vided with a peripheraltapering screw-thread e, as shown in Fig. 3, and when the three parts ff f of the hub are placed together and the connected gear-segm ents A Ascrewed thereon, as shown in Fig. 1, the several segments of the hub Bwill be caused to close tightly upon the shaft.

In wheels of this character it is very desirable that some means beprovided whereby the screw-threads of the several segments of the hub Bmay be readily placed in true line with each other and readily held inline preparatory to engagement with the internal screw-thread of theouter gear-segment, and

with this end in view I provide the several segments of the hub with anintegral projection It at one side of the cylindrical groove t' and arecess or notch j upon the opposite side, the said projections andnotches or recesses being arranged dissimilarly in the several segmentsof the hub, as shown in Fig. 4, so that they will fit together only whenthe several segments are properly arranged,as shown in Fig.

I do not claim a wheel-hub formed of several similar and equal separablesegments having a peripheral screw-thread; but

I claim as my invention A wheel-hub, formed of several segments,provided peripherally with a screw-thread, and interiorly with integralprojections, and notches, arranged dissimilarly, whereby the severalsections can only be placed together when the screw-threads are inproper alinement, substantially as described.

JOSEPH J. SOHOLFIELD.

Witnesses:

SooRATEs SOHOLFIELD, HARRY J. GAROEAU.

